INSTALL.rst: Fixed indirect links
INSTALL.rst: Fixed indirect links

HelioGuilherme66/robotframework,snyderr/robotframework,alexandrul-ci/robotframework,alexandrul-ci/robotframework,robotframework/robotframework,alexandrul-ci/robotframework,jaloren/robotframework,alexandrul-ci/robotframework,jaloren/robotframework,joongh/robotframework,robotframework/robotframework,snyderr/robotframework,jaloren/robotframework,HelioGuilherme66/robotframework,alexandrul-ci/robotframework,snyderr/robotframework,snyderr/robotframework,jaloren/robotframework,robotframework/robotframework,joongh/robotframework,joongh/robotframework,joongh/robotframework,snyderr/robotframework,joongh/robotframework,HelioGuilherme66/robotframework,jaloren/robotframework